This cover was mailed aboard the RV Thomas G. Thompson, the oceanographic research vessel operated by the University of Washington School of Oceanography in Seattle. The circular ship cachet shows a scenic landscape illustration and prominently features both the vessel's name and the School of Oceanography.
Adding a further official touch, the cover also bears the embossed seal of the University of Washington (founded 1861) in the lower left — a blind emboss used on formal university correspondence, and a nice philatelic bonus for this piece.
Stamps:
Trident Maple Bonsai (Forever, 45¢) - Issued: 23-01-2012
"Freedom Forever" Flag - Issued: 22-02-2012
School Bus (Additional Ounce) - 05-01-2023
Many thanks to John!
Picture of the Ship:
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| By University of Washington - https://www.dvidshub.net/image/4352847/r-v-thomas-g-thompson, Public Domain, https://commons.wikimedia.org/w/index.php?curid=93242359 |


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